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Finding the Fourth Proportional to 122.01, 182.91 and 44.97

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Solution

The fourth proportional to 122.01, 182.91 and 44.97 is: 67.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.01 : 182.91 = 44.97 : x
  2. Step 2: Convert to fraction form
    122.01/182.91 = 44.97/x
  3. Step 3: Cross multiply
    122.01x = 182.91 × 44.97
  4. Step 4: Simplify right side
    122.01x = 8,224.55
  5. Step 5: Solve for x
    x = 8,224.55/122.01
  6. Step 6: Final answer
    x = 67.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.